| Item | Part No. | Part Name | Qty | Serial No. |
| 6251-11-1200 | HEAD ASSEMBLY | | |
| 1 | | HEAD, CYLINDER | | |
| 2 | 6150-11-1320 | INSERT | | |
| 6150-19-1320 | INSERT, T=0.25 MM | | |
| 6150-18-1320 | INSERT, T=0.5 MM | | |
| 6150-17-1320 | INSERT, T=0.75 MM | | |
| 6150-16-1320 | INSERT, T=1.00 MM | | |
| 3 | 6150-12-1380 | INSERT | | |
| 6150-19-1380 | INSERT, T=0.25 MM | | |
| 6150-18-1380 | INSERT, T=0.50 MM | | |
| 6150-17-1380 | INSERT, T=0.75 MM | | |
| 6150-16-1380 | INSERT, T=1.00 MM | | |
| 4 | 6150-12-1370 | GUIDE | | |
| 5 | 6162-13-1150 | PLUG, EXPANSION | | |
| 6 | 04260-00793 | BALL | | |
| 7 | 07043-70108 | PLUG | | |
| 8 | 6150-42-4110 | VALVE, INTAKE | | |
| 9 | 6150-42-4210 | VALVE, EXHAUST | | |
| 10 | 6150-41-4510 | SEAT | | |
| 11 | 6150-41-4430 | SEAT | | |
| 12 | 6136-42-4520 | COTTER, VALVE | | |
| 13 | 6251-41-4450 | SPRING | | |
| 14 | 6252-41-4570 | SEAL | | |
| 15 | 6210-11-1140 | GUIDE | | |
| 16 | 04020-00820 | PIN, DOWEL | | |
| 6150-42-5600 | CROSSHEAD ASSEMBLY | | |
| 17 | 6150-42-5610 | CROSSHEAD | | |
| 18 | 6150-41-5621 | SCREW | | |
| 19 | 6150-41-5630 | NUT | | |
| 20 | 6251-11-1810 | GASKET | | |
| 6251-19-1810 | GASKET, OVERSIZE 0.4 MM | | |
| 6150-11-1970 | GROMMET | | |
| 6150-19-1970 | GROMMET, OIL, OVERSIZE 0.4 MM | | |
| 6150-11-1930 | GROMMET | | |
| 6150-19-1930 | GROMMET, OIL, OVERSIZE 0.4 MM | | |
| 6150-11-1950 | GROMMET | | |
| 6150-19-1950 | GROMMET, WATER, OVERSIZE 0.4 MM | | |
| 6150-12-1960 | GROMMET | | |
| 6150-19-1960 | GROMMET, WATER, OVERSIZE 0.4 MM | | |
| 6150-11-1960 | GROMMET | | |
| 6251-19-1960 | GROMMET, OIL, OVERSIZE 0.4 MM | | |
| 21 | 6150-11-1620 | BOLT | | |
| 22 | 6164-31-3330 | WASHER | | |
| 23 | 01438-01020 | BOLT | | |
